package day03.homework;

public class IfElseDemo {
    public static void main(String[] args) {
        double price = 900;
        if(price>=500){
            price*=0.8;
        }else {
            price*=0.9;
        }
        System.out.println("价格为："+price);
        System.out.println("-------------------------------");

        int score = 101;
        if(score<0 || score>100){
            System.out.println(score+"不是合法成绩");
        }else {
            System.out.println(score+"是合法成绩");
        }
    }
}
